38168340 has 96 divisors (see below), whose sum is σ = 128593920. Its totient is φ = 8263296.

The previous prime is 38168329. The next prime is 38168353. The reversal of 38168340 is 4386183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5589 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (1339520).

Almost surely, 2^38168340 is an apocalyptic number.

38168340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38168340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64296960).

38168340 is an abundant number, since it is smaller than the sum of its proper divisors (90425580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38168340 is a wasteful number, since it uses less digits than its factorization.

38168340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 38168340 is about 6178.0530913873. The cubic root of 38168340 is about 336.6932610869.

The spelling of 38168340 in words is "thirty-eight million, one hundred sixty-eight thousand, three hundred forty".